Using a µA 739 dual, tow-noise op-amp it is a simple matter to construct a versatile preamplifier for a magnetic guitar pick-up. The input stage consists of an amplifier with a flat frequency response having switchable gains of - 10 dB, 0 dB and + 10 dB. so that it may be used with pick-ups havi,ig a variety of output levels.
Downloading of this magazine article is reserved for registered users only.
Discussion (0 comments)